632 SR20/12 Degree Engine

 

632 SR20 / 12 Degree Engine Kit
by Raymac Racing Engines
 
 
 
 
 

632 SR20/12 Degree (Engine Kit)  - See below for assembled option


Block:

World Products or Dart 10.2 x 4.600 (Depending on Availability)

Rotating Assembly:

Rods 6.660 Eagle

Pistons:

Custom JE 4.600 x 1.160 Compression Distance 14.8:1;

20 Degree SR-20

JE Steel top (.043) Napier 2nd & Standard Oil (3/16)

Crank:

Dart 4340. 4.750 Stroke Center Counter Weight,

Blower Keyed

Bearings

Clevite “H” Series

Oil System:

Moroso Billet Oil Pump & Drive Shaft

Moroso Aluminum Fabricated Rear Sump Pan, 8qt

Valvetrain:

Custom Camshaft, 8620 Billet, 4-7 Swap

Comp Cams High Pressure Oil Mechanical

Roller Followers

Trend ⅜ Pushrods

T&D Shaft Mount Rocker System, Brodix SR20

True Roller, Billet Geared, Torrington Thrust,

Timing Chain

Chrome GM Gen IV Timing Cover

Heads:

Brodix SR20 2.400 x 1.880 with 1.650 Springs,

.900 Lift

Cometic MLS Head Gaskets 4.620 x .041

ARP Head Stud Kit

Intake:

Sniper 2 x 4

ATI Balancer, Internal Balance

Polished Aluminum Valve Covers


Parts Total: $15,570


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If Machining & Assembly is Needed:


Labor:

Hone Cylinders with Torque Plate & Valley Lugs

Deck Block

Fit Pins, Piston & Rods

Polish Crank & Camshaft

Disassemble heads, Lap Valves, Check

Final Wash All Parts

Assemble Complete: Individually Fit Bearings, File Fit Rings

Degree Cam, Check Compression, Piston to Valve

Set Valvetrain, Pushrod Length & Assemble

Dyno - Injected Alcohol


Total Labor: $2,260

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ADDITIONAL OPTIONS:

 

Jesel Belt Drive +$850


12 Degree Brodix Heads +$2612

(Required with heads:)

- Rocker Arms $675

- Hitman Intake $550

- Fabricated Valve Covers $350

- Tapered Pushrods Upgrade $350

>>> Total: 12 Degree Head Options: $4537


Titanium Valves +$1750

 

Aluminum Block +$2100


RaymacRacingEngines.com

940.594.0350 Office/Text

817.705.5424 Shop/Dyno/No Voicemail

We are a small mom-n-pop out of Mansfield & Ft. Worth, Texas. We are known for our SDBA World Championship motors and Record Breaking Nostalgia Dragster motors....and much more.




Contact Raymac Racing Engines

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Call us for a free quote!

817.705.5424   or  940.594.0350

All products are subject to availability. Customizing a part may delay shipping. All prices are subject to change.

09/05/18 For our Scat customers..... California law now requires any reseller of Scat products to inform it's customers of the following (in accordance with Proposition 65): WARNING: May Cause Cancer and Reproductive Harm - www.P65Warnings.ca.gov. The notice also states that SCAT will be placing warning labels on those products effected (affixed to products, labels or packaging).

 

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